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Abstract

There are three major phases in completing project named, "Stress Concentration
Factors at Two Radial Adjacent Nozzles Header Connections of a Cylindrical
Pressure Vessel". These three phases are; parameters specification, design and Finite
Element Analysis (FEA). This report basically will summarize the activities that
have been done to complete this project. In parameter specification phase, data
acquired to design a two radial adjacent nozzles header connection of cylindrical
pressure vessel was extracted from the standard nozzles and piping codes used in the
industry. The required data and information for this project also been gathered by
using all available resources. In design phase, the author will compiles all data and
parameters gained and design a nozzles-pressured vessel configuration which will be
the basis for the whole project. Finally, a FEA simulation will be done by using
ANSYS to analyze the model and complete these project objectives. The design of
nozzles in a pressure vessel is subjected to the internal pressure acting from all
direction. But in this study, only the internal pressure effect will be considered. This
project objectives are to analysis and investigate the stress concentration factors of
two radial adjacent nozzles header connection of cylindrical pressure vessel result
that come from internal pressure by using ANSYS and To study the result and effect
of different nozzles inner diameter and size and displacement of these two nozzles
so that, recommendation can be made to improve the design of two radial adjacent
nozzle header connection of cylindrical pressure vessel. From this project, it is
decided that stress concentration factor most occur at low value of Lid ratio which
the distance between the two nozzle are closer.